/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package cn.sliew.scaleph.common.util;

public class TemporaryClassLoaderContext implements AutoCloseable {

    private final ClassLoader originalClassLoader;
    private final Thread originalThread;

    private TemporaryClassLoaderContext(Thread thread, ClassLoader classLoader) {
        this.originalThread = thread;
        this.originalClassLoader = thread.getContextClassLoader();
        this.originalThread.setContextClassLoader(classLoader);
    }

    public static TemporaryClassLoaderContext of(ClassLoader classLoader) {
        return new TemporaryClassLoaderContext(Thread.currentThread(), classLoader);
    }

    @Override
    public void close() throws Exception {
        this.originalThread.setContextClassLoader(this.originalClassLoader);
    }
}
